This circuit was found in a Texas Instruments documentation from the 1980s. The circuit monitors engine temperature by warning of engine warm-up and warning when the fan is on.
This amplifier for analog video signals was found in documentation from the 90s. The 1.5Vpp signal...
The circuit we present is suggested by Linear Technologies (www.linear.com) and makes use of an...
Found in a documentation for radio amateurs from 1977, this circuit is intended to power equipment from...